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authorLudovic Courtès <ludo@gnu.org>2019-03-13 23:10:19 +0100
committerLudovic Courtès <ludo@gnu.org>2019-03-13 23:12:44 +0100
commitb94c80ff5d844f7763738ab5359fee72f11f9367 (patch)
tree9948fa92b84b443a9a41ff1e37a42181980c1884
parente1c15e8b8e25e14c253ff1212e289565736f6ea7 (diff)
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gnu-guix-b94c80ff5d844f7763738ab5359fee72f11f9367.tar.gz
linux-container: 'containerized-operating-system' removes "useless" services.
Fixes <https://bugs.gnu.org/34211>. Reported by Efraim Flashner <efraim@flashner.co.il>. * gnu/system/linux-container.scm (containerized-operating-system) [useless-services]: New variable. Add 'services' field.
-rw-r--r--gnu/system/linux-container.scm14
1 files changed, 13 insertions, 1 deletions
diff --git a/gnu/system/linux-container.scm b/gnu/system/linux-container.scm
index bceea41332..3fe3482d7f 100644
--- a/gnu/system/linux-container.scm
+++ b/gnu/system/linux-container.scm
@@ -1,6 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 David Thompson <davet@gnu.org>
-;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -28,6 +28,7 @@
#:use-module (guix modules)
#:use-module (gnu build linux-container)
#:use-module (gnu services)
+ #:use-module (gnu services base)
#:use-module (gnu system)
#:use-module (gnu system file-systems)
#:export (system-container
@@ -54,8 +55,19 @@ containerized OS."
(file-system (inherit (file-system-mapping->bind-mount fs))
(needed-for-boot? #t)))
+ (define useless-services
+ ;; Services that make no sense in a container. Those that attempt to
+ ;; access /dev/tty[0-9] in particular cannot work in a container.
+ (list console-font-service-type
+ mingetty-service-type
+ agetty-service-type))
+
(operating-system (inherit os)
(swap-devices '()) ; disable swap
+ (services (remove (lambda (service)
+ (memq (service-kind service)
+ useless-services))
+ (operating-system-user-services os)))
(file-systems (append (map mapping->fs (cons %store-mapping mappings))
%container-file-systems
user-file-systems))))